66 lines
2 KiB
Nix
66 lines
2 KiB
Nix
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{ depot, config, lib, pkgs, ... }:
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with lib;
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{
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options.services.pomerium = {
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enable = mkEnableOption "the Pomerium authenticating reverse proxy";
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bindLowPort = mkOption {
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type = with types; bool;
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default = true;
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description = "If true, allows Pomerium to bind low-numbered ports (e.g. 80 and 443).";
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};
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configFile = mkOption {
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type = with types; path;
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description = "Path to Pomerium config file.";
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};
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secretsFile = mkOption {
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type = with types; path;
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description = "Path to file containing secrets for Pomerium, in systemd EnvironmentFile format.";
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};
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};
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config = let cfg = config.services.pomerium; in mkIf cfg.enable {
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systemd.services.pomerium = {
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description = "Pomerium authenticating reverse proxy";
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wants = [ "network.target" ];
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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DynamicUser = true;
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ExecStart = "${depot.pkgs.pomerium}/bin/pomerium -config ${cfg.configFile}";
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StateDirectory = "pomerium";
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PrivateUsers = !cfg.bindLowPort; # breaks CAP_NET_BIND_SERVICE
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NoNewPrivileges = true;
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PrivateTmp = true;
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PrivateDevices = true;
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DevicePolicy = "closed";
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ProtectSystem = "strict";
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ProtectHome = true;
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ProtectControlGroups = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectKernelLogs = true;
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RestrictAddressFamilies = "AF_UNIX AF_INET AF_INET6 AF_NETLINK";
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RestrictNamespaces = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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MemoryDenyWriteExecute = true;
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LockPersonality = true;
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EnvironmentFile = cfg.secretsFile;
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AmbientCapabilities = lib.mkIf cfg.bindLowPort [ "CAP_NET_BIND_SERVICE" ];
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CapabilityBoundingSet = lib.mkIf cfg.bindLowPort [ "CAP_NET_BIND_SERVICE" ];
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Restart = "on-failure";
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RestartSec = "2s";
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};
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};
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};
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}
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